assertTrue(queryFieldConfig.isSortField("score"));
        assertTrue(queryFieldConfig.isSortField("created"));
        assertTrue(queryFieldConfig.isSortField("modified"));
        assertTrue(queryFieldConfig.isSortField("title"));

        // Test invalid sort fields
        assertFalse(queryFieldConfig.isSortField("invalid"));
        assertFalse(queryFieldConfig.isSortField(""));

     * Checks if the specified field can be used for sorting.
     *
     * @param field the field name to check
     * @return true if the field can be used for sorting, false otherwise
     */
    protected boolean isSortField(final String field) {
        for (final String f : sortFields) {
            if (f.equals(field)) {
                return true;
            }
        }
        return false;
    }

    /**

                        "Invalid sort field: " + termQuery);
            }
            final String sortField = values[0];
            if (!getQueryFieldConfig().isSortField(sortField)) {
                throw new InvalidQueryException(
                        messages -> messages.addErrorsInvalidQueryUnsupportedSortField(UserMessages.GLOBAL_PROPERTY_KEY, sortField),